Type1 : Purple--------------------- Power Water Pumps.BPA free drinking water dispenser,no toxic, and no smell.Pump for water bottle, USB charging, Easy to install and use.Simply fasten the small pump on the bottle mouth. Food grade silicone hose, Best insulation and high density ABS plastic shell which is no toxic and no smell. Built-in high-capacity rechargeable battery, can used for 20-30 days once fully charged, pump about 5-6 barrels of 5 gallon bottle water. No need to charge every day. High Compatibility,the electric pumping device suitable for pure bottled drinking water, suitable for a variety of models gallon barrel without pry the lid. Lightweight, convenient and portable, ideal for pinic, best choice for home, kitchen and office daily using. CHEAP BUT OWN HIGH QUALITY:As a seller,we clearly know that repeat customers are the main source of our sales, so we have been emphasizing high requirement of quality.ThisPump for water bottle can ensure a long-time use. Type2 : Gold--------------------BPA free drinking water dispenser,no toxic, and no smell.Pump for water bottle, USB charging, Easy to install and use. Food grade silicone hose, 304 Stainless steel tap, Best insulation and high density ABS plastic shell which is no toxic and no smell.Child lock function prevents children from accidentally touching and causing accidents .Note: Press and hold for 3 seconds to start the child lock, and continue to press and hold for 3 seconds to close the child lock! Built-in high-capacity rechargeable battery, can used for 30-50 days once fully charged, pump about 5-6 barrels of 5 gallon bottle water. No need to charge every day. High Compatibility,the electric pumping device suitable for pure bottled drinking water, suitable for a variety of models gallon barrel without pry the lid. Lightweight, convenient and portable, ideal for pinic, best choice for home, kitchen and office daily using. CHEAP BUT OWN HIGH QUALITY:As a seller,we clearly know that repeat customers are the main source of our sales, so we have been emphasizing high requirement of quality.ThisPump for water bottle can ensure a long-time use.